Broadband cognitive radio enabled by photonics

D Zhu, S Pan - Journal of Lightwave Technology, 2020 - ieeexplore.ieee.org
Cognitive radio is considered as a possible disruptive force to improve the spectral resource
efficiency through sensing and interacting with the environment. Traditional electrical …

Chaotic time-delay signature suppression in a semiconductor laser with frequency-detuned grating feedback

SS Li, SC Chan - IEEE Journal of Selected Topics in Quantum …, 2015 - ieeexplore.ieee.org
Chaotic dynamics of a semiconductor laser subject to optical feedback from a frequency-
detuned fiber Bragg grating (FBG) is investigated experimentally and numerically. Although …

Period-one laser dynamics for photonic microwave signal generation and applications

P Zhou, N Li, S Pan - Photonics, 2022 - mdpi.com
Due to the advantages of rich dynamics, small size, and easy integration, semiconductor
lasers have many applications in microwave photonics. With a proper perturbation to invoke …

High-purity 60GHz band millimeter-wave generation based on optically injected semiconductor laser under subharmonic microwave modulation

L Fan, G **a, J Chen, X Tang, Q Liang, Z Wu - Optics express, 2016 - opg.optica.org
Based on an optically injected semiconductor laser (OISL) operating at period-one (P1)
nonlinear dynamical state, high-purity millimeter-wave generation at 60 GHz band is …

Frequency-modulated microwave generation with feedback stabilization using an optically injected semiconductor laser

JP Zhuang, XZ Li, SS Li, SC Chan - Optics Letters, 2016 - opg.optica.org
Generation of frequency-modulated continuous-wave (FMCW) microwave signals is
investigated using the period-one (P1) dynamics of a semiconductor laser. A modulated …

Optically injected InAs/GaAs quantum dot laser for tunable photonic microwave generation

C Wang, R Raghunathan, K Schires, SC Chan… - Optics letters, 2016 - opg.optica.org
We present an experimental investigation on the period-one dynamics of an optically
injected InAs/GaAs quantum dot laser as a photonic microwave source. It is shown that the …

Integrated multi-wavelength lasers for all-optical processing of ultra-high frequency signals

M Virte, P Marin-Palomo - Applied Physics Letters, 2023 - pubs.aip.org
Semiconductor lasers are nowadays simply unavoidable and essential light sources. While
their complexity and dynamical behavior have attracted some attention from a fundamental …

Randomness evaluation for an optically injected chaotic semiconductor laser by attractor reconstruction

XZ Li, JP Zhuang, SS Li, JB Gao, SC Chan - Physical Review E, 2016 - APS
State-space reconstruction is investigated for evaluating the randomness generated by an
optically injected semiconductor laser in chaos. The reconstruction of the attractor requires …

Four-wave mixing in a laser diode gain medium induced by the feedback from a high-Q microring resonator

DM Sokol, NY Dmitriev, DA Chermoshentsev… - Photonics …, 2024 - opg.optica.org
Laser diodes are widely used and play a crucial role in myriad modern applications
including nonlinear optics and photonics. Here, we explore the four-wave mixing effect in a …

Photonic spiking neuron based on a single vcsel with optical feedback

J Li, L Peng, SS Li, L Zhang, X Ding, L Jiang… - Optics & Laser …, 2025 - Elsevier
A vertical-cavity surface-emitting laser (VCSEL) under polarization selected and rotated
optical feedback has been proposed and numerically investigated to generate neuron-like …